1. Look for mint marks and dates. 2. Check for weight and size. 3. Examine the edges for reeding or lettering.
4. Use a magnifying glass to inspect details. 5. Look for any signs of wear or damage. 6. Compare against known authentic coins.
7. Seek professional authentication if unsure. 8. Research online resources and forums. 9. Be cautious of counterfeit coins in the market.
10. Consider getting your coin graded by a reputable grading service. 11. Keep detailed records of your coin collection for authenticity.
12. Store your rare coins in protective holders. 13. Handle with care to avoid damage. 14. Stay informed about current trends in coin authentication.
15. Join coin collecting clubs or attend numismatic events. 16. Consult with experienced collectors and dealers for advice and guidance.